{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["river", "exact location", "area", "road"], "input": "-DOCSTART- RT @NHC_Atlantic : Catastrophic flooding continues with # Harvey in Texas . Here are the key messages for the new 10 am CDT advisory https://t.co/tW4KeGdBFb https://t.co/60UiLxB3VL"}
{"river": [], "exact location": [], "area": [], "road": []}